Fluid Passages. Cadillac Catera 2001

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L30-E 🢒 Fluid Passages

Figure 1:

Converter Housing Fluid Passages


(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(3)	Converter In
(3)	Converter In
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(7)	Line Pressure Tap
(8)	Apply
(10)	Throttle Signal
(12)	Overrun Clutch
(12)	Overrun Clutch
(14)	Reverse
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 2:

Pump Wear Plate Fluid Passages


(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(3)	Converter In
(3)	Converter In
(3)	Converter In
(3)	Converter In
(3)	Converter In
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(6)	Overdrive Lube
(8)	Apply
(10)	Throttle Signal
(10)	Throttle Signal
(10)	Throttle Signal
(12)	Overrun Clutch
(12)	Overrun Clutch
(14)	Reverse
(14)	Reverse
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 3:

Pump (Converter Housing Side) Fluid Passages


(1)	Suction
(1)	Suction
(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(3)	Converter In
(3)	Converter In
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(4)	To Cooler
(6)	Overdrive Lube
(6)	Overdrive Lube
(7)	Release
(7)	Release
(7)	Release
(8)	Apply
(10)	Throttle Signal
(10)	Throttle Signal
(10)	Throttle Signal
(12)	Overrun Clutch
(12)	Overrun Clutch
(12)	Overrun Clutch
(14)	Reverse
(14)	Reverse
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(317)	Ball Check Valve
(317)	Ball Check Valve

Figure 4:

Pump (Adapter Case Side) Fluid Passages


(1)	Suction
(2)	Line
(4)	To Cooler
(6)	Overdrive Lube
(6)	Overdrive Lube
(7)	Release
(10)	Throttle Signal
(10)	Throttle Signal
(12)	Overrun Clutch
(12)	Overrun Clutch
(12)	Overrun Clutch
(14)	Reverse
(25)	Solenoid Signal
(25)	Solenoid Signal
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(317)	Ball Check Valve
(317)	Ball Check Valve

Figure 5:

Adapter Case (Pump Side) Fluid Passages


(1)	Suction
(2)	Line
(4)	To Cooler
(6)	Overdrive Lube
(10)	Throttle Signal
(11)	3-4 Accumulator
(12)	Overrun Clutch
(14)	Reverse
(25)	Solenoid Signal
(25)	Solenoid Signal
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 6:

Adapter Case (Center Support Side) Fluid Passages


(1)	Suction
(2)	Line
(4)	To Cooler
(6)	Overdrive Lube
(6)	Overdrive Lube
(10)	Throttle Signal
(11)	3-4 Accumulator
(12)	Overrun Clutch
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(24)	3rd Clutch
(24)	3rd Clutch
(25)	Solenoid Signal
(25)	Solenoid Signal
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(28)	4th Clutch
(28)	4th Clutch
(28)	4th Clutch
(29)	Manual 1-2
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 7:

Transfer Plate (Adapter Case Side) Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(4)	To Cooler
(6)	Overdrive Lube
(10)	Throttle Signal
(12)	Overrun Clutch
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(24)	3rd Clutch
(24)	3rd Clutch
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(28)	4th Clutch
(28)	4th Clutch
(28)	4th Clutch
(28)	4th Clutch
(29)	Manual 1-2
(29)	Manual 1-2
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 8:

Center Support (Adapter Case Side) Fluid Passages


(2)	Line
(2)	Line
(6)	Overdrive Lube
(6)	Overdrive Lube
(12)	Overrun Clutch
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(15)	Reverse Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(24)	3rd Clutch
(24)	3rd Clutch
(25)	Solenoid Signal
(25)	Solenoid Signal
(25)	Solenoid Signal
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(28)	4th Clutch
(28)	4th Clutch
(29)	Manual 1-2
(29)	Manual 1-2
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 9:

Main Case (Adapter Case Side) Fluid Passages


(1)	Suction
(2)	Line
(4)	To Cooler
(4)	To Cooler
(5)	Main Case Lube
(5)	Main Case Lube
(10)	Throttle Signal
(14)	Reverse
(20)	2nd Clutch
(24)	3rd Clutch
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(34)	Cooler Fitting
(35)	Cooler Fitting Assembly

Figure 10:

Adapter Case (Valve Body Side) Fluid Passages


(1)	Suction
(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(9)	Feed Limit
(9)	Feed Limit
(10)	Throttle Signal
(10)	Throttle Signal
(10)	Throttle Signal
(11)	3-4 Accumulator
(14)	Reverse
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(20)	2nd Clutch
(21)	Solenoid Feed
(25)	Solenoid Signal
(25)	Solenoid Signal
(28)	4th Clutch
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(#1)	Ball Check Valve

Figure 11:

Gasket (Adapter Case - Spacer Plate) Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(9)	Feed Limit
(9)	Feed Limit
(9)	Feed Limit
(10)	Throttle Signal
(10)	Throttle Signal
(11)	3-4 Accumulator
(11)	3-4 Accumulator
(14)	Reverse
(20)	2nd Clutch
(21)	Solenoid Feed
(25)	Solenoid Signal

Figure 12:

Spacer Plate (Adapter Case - Adapter Case Valve Body) Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(9)	Feed Limit
(9)	Feed Limit
(9)	Feed Limit
(10)	Throttle Signal
(10)	Throttle Signal
(10)	Throttle Signal
(11)	3-4 Accumulator
(11)	3-4 Accumulator
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(20)	2nd Clutch
(21)	Solenoid Feed
(21)	Solenoid Feed
(21)	Solenoid Feed
(25)	Solenoid Signal

Figure 13:

Gasket (Spacer Plate - Adapter Case Valve Body) Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(9)	Feed Limit
(9)	Feed Limit
(9)	Feed Limit
(10)	Throttle Signal
(10)	Throttle Signal
(11)	3-4 Accumulator
(11)	3-4 Accumulator
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(20)	2nd Clutch
(21)	Solenoid Feed
(25)	Solenoid Signal

Figure 14:

Adapter Case Valve Body Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(9)	Feed Limit
(9)	Feed Limit
(9)	Feed Limit
(10)	Throttle Signal
(10)	Throttle Signal
(10)	Throttle Signal
(11)	3-4 Accumulator
(11)	3-4 Accumulator
(14)	Reverse
(14)	Reverse
(20)	2nd Clutch
(21)	Solenoid Feed
(25)	Solenoid Signal
(31)	Exhaust
(415)	Force Motor Screen Assembly

Figure 15:

Main Case (Valve Body Side) Fluid Passages


(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(10)	Throttle Signal
(10)	Throttle Signal
(13)	R 3 2 1
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(16)	D 3 2
(16)	D 3 2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(18)	1-2 Accumulator
(19)	Servo Apply
(19)	Servo Apply
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(23)	3rd Clutch Feed
(23)	3rd Clutch Feed
(24)	3rd Clutch
(24)	3rd Clutch
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(32)	Void
(#3)	Ball Check Valve
(#4)	Ball Check Valve

Figure 16:

Gasket (Main Case -- Spacer Plate) Fluid Passages


(1)	Suction
(2)	Line
(10)	Throttle Signal
(13)	R 3 2 1
(13)	R 3 2 1
(13)	R 3 2 1
(13)	R 3 2 1
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(19)	Servo Apply
(19)	Servo Apply
(19)	Servo Apply
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(23)	Rd Clutch Feed
(23)	Rd Clutch Feed
(23)	Rd Clutch Feed
(23)	Rd Clutch Feed
(24)	3rd Clutch
(24)	3rd Clutch
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(32)	Void

Figure 17:

Spacer Plate (Main Case -- Valve Body) Fluid Passages


(1)	Suction
(2)	Line
(10)	Throttle Signal
(13)	R 3 2 1
(13)	R 3 2 1
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(19)	Servo Apply
(19)	Servo Apply
(19)	Servo Apply
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(24)	3rd Clutch
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(32)	Void

Figure 18:

Gasket (Spacer Plate -- Main Valve Body) Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(10)	Throttle Signal
(10)	Throttle Signal
(13)	R 3 2 1
(13)	R 3 2 1
(13)	R 3 2 1
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(19)	Servo Apply
(19)	Servo Apply
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust

Figure 19:

Main Case Valve Body Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(10)	Throttle Signal
(10)	Throttle Signal
(13)	R 3 2 1
(13)	R 3 2 1
(14)	Reverse
(14)	Reverse
(14)	Reverse
(14)	Reverse
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(16)	D 3 2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(17)	D 3 2/1-2
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(18)	1-2 Accumulator
(19)	Servo Apply
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(20)	2nd Clutch
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(22)	Servo Release
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(23)	RD Clutch Feed
(26)	4th Clutch Feed 1
(27)	4th Clutch Feed 2
(27)	4th Clutch Feed 2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(29)	Manual 1-2
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(30)	1-2 Reg
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(31)	Exhaust
(#2)	Ball Check Valve
(306)	Valve Retainer
(317)	Retainer Ball
(317)	Retainer Ball
(324)	PWM Solenoid Screen Assembly